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54074624640 = 273528163867
BaseRepresentation
bin110010010111000110…
…010100101010000000
312011120112221112211120
4302113012110222000
51341221100442030
640501434512240
73623006503611
oct622706245200
9164515845746
1054074624640
1120a29796933
12a591595680
135139c8bc1a
14288d94bc08
15161745b010
hexc97194a80

54074624640 has 64 divisors (see below), whose sum is σ = 172362872160. Its totient is φ = 14419899392.

The previous prime is 54074624633. The next prime is 54074624683. The reversal of 54074624640 is 4642647045.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 54074624592 and 54074624601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14080014 + ... + 14083853.

Almost surely, 254074624640 is an apocalyptic number.

It is an amenable number.

54074624640 is an abundant number, since it is smaller than the sum of its proper divisors (118288247520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54074624640 is a wasteful number, since it uses less digits than its factorization.

54074624640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28163889 (or 28163877 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 54074624640 in words is "fifty-four billion, seventy-four million, six hundred twenty-four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 28163867 56327734 84491601 112655468 140819335 168983202 225310936 281638670 337966404 422458005 450621872 563277340 675932808 844916010 901243744 1126554680 1351865616 1689832020 1802487488 2253109360 2703731232 3379664040 3604974976 4506218720 5407462464 6759328080 9012437440 10814924928 13518656160 18024874880 27037312320 54074624640